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Beliebt Rechnen >

integral of (x^2+57)/(x^2+64)

Lösung

\int \frac{x ^{2} + 57}{x ^{2} + 64} d x

Lösung

- \frac{7}{8} arctan (\frac{x}{8}) + x + C

Schritte zur Lösung

\int \frac{x ^{2} + 57}{x ^{2} + 64} d x

\frac{x ^{2} + 57}{x ^{2} + 64} = - \frac{7}{x ^{2} + 64} + 1

= \int - \frac{7}{x ^{2} + 64} + 1 d x

Wende die Summenregel an:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= - \int \frac{7}{x ^{2} + 64} d x + \int 1 d x

\int \frac{7}{x ^{2} + 64} d x = \frac{7}{8} arctan (\frac{x}{8})

\int 1 d x = x

= - \frac{7}{8} arctan (\frac{x}{8}) + x

Füge eine Konstante zur Lösung hinzu

= - \frac{7}{8} arctan (\frac{x}{8}) + x + C

Graph

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